JPH1073195A - Connector for water cock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector for a water cock having a safety device which interrupts water circulation instantaneously at the time of demounting a hose joint during circulation of water. SOLUTION: A joint body 2 is provided with a water cock connector 3 and a hose joint connector 4. A flow passage 5 has a valve seat 6 and a valve body 7 for opening/closing it. When the hose joint 20 is connected to the hose joint connector 4, a bar body 9 of the valve body 7 is pressed into the main body 2 by means of a stepped difference portion 29 inside the hose joint 20 for circularing water. When the hose joint 20 is disconnected with the hose joint connector 4, a cock part 8 of the valve body 7 closes the valve seat 6 by means of water pressure of a spring 40 for interrupting water circulation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a faucet connector for connecting a discharge port of a faucet to a hose joint provided at an end of a hose.

[0002]

2. Description of the Related Art In households and the like, a hose is generally used when supplying water from a tap water faucet to a washing machine or a bath. However, inserting the end of the hose directly into the faucet requires considerable force and has a problem that the hose is liable to come off. For this reason, a hose fitting is attached to the end of the hose, and a connector is attached to the outlet of the faucet.
In many cases, the hose joint can be attached to and detached from the connecting device with one touch.

[0003]

However, the method of using such a connector is simple because the hose can be attached and detached with a single touch, but the hose is easily detached from the connector and the surroundings of the connection portion are flooded. There is a problem. In particular, in a condominium or the like, if the hose comes off during use, there is a risk of developing a water leak accident downstairs. Therefore, an object of the present invention is to provide a connector with a safety device that instantaneously shuts off water discharged from a detachment portion even if a hose detaches in flowing water.

[0004]

According to the present invention, there is provided a connector for connecting a discharge port 17 of a faucet 16 and a hose joint 20 provided at an end of a hose. The main body 2 is provided with a portion 3 and a hose joint connection portion 4. A valve seat 6 and a valve body 7 for opening and closing the valve seat 6 are provided in a flow path 5 of the main body 2, and the valve body 7 has a plug portion 8 and a It has a rod 9 connected to it, and the tip of the rod 9 is exposed from the open end of the hose joint connection 4. When the hose joint 20 is connected to the hose joint connecting portion 4, the rod 9 is pushed into the main body 2 by the step portion 29 provided in the hose joint 20, thereby separating the plug portion 8 from the valve seat 6. Then, when the hose joint 20 comes off from the hose joint connection part 4, the plug part 8 closes the valve seat 6 by water pressure. In a preferred embodiment of the present invention, a spring 40 for urging the rod 9 toward the opening end is provided between the valve 7 and the main body 2. The plug 8 closes the valve seat 6 by the spring 40 and the water pressure when the hose joint 20 comes off from the hose joint connecting portion 4.

[0005]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view showing a state in which the connector of the present invention is connected to a faucet, FIG. 2 is an exploded perspective view of a part of the connector, and FIG. FIG. 4 is a cross-sectional view showing a state in which a hose joint provided at the end of the hose is connected. In these figures, the connector 1 includes a main body 2 provided with a faucet connection 3 and a hose joint connection 4. A valve seat 6 and a valve body 7 for opening and closing the valve seat 6 are provided in the flow path 5 of the main body 2, and the valve body 7 includes a plug portion 8 and a rod body 9 connected thereto.

The main body 2 is provided with two main parts, a faucet side main body 11 having a faucet connection part 3 and a hose side main body 12 having a hose joint connection part 4, which are screwed together via a packing 13. The entire structure is L-shaped. A plurality of flat surfaces 12 a (FIG. 2) for hanging a tool such as a wrench are formed on a part of the outer peripheral portion of the hose-side main body 12. The faucet connection part 3 has a cap nut 14 and a packing 15. The tip of the faucet connection part 3 is inserted into the discharge port 17 of the faucet 16, and the cap nut 1 is inserted into the female part of the discharge port 17.
4 is connected to the discharge port 17 by screwing. On the other hand, the hose joint connection part 4 is formed in a cylindrical body having a constricted part 4a in the middle.

[0007] The hose 18 has the reinforcing band 1 at the end from the outside.
9 and a hose joint 20 is connected to the end. The hose joint 20 includes a joint portion 21 having a cylindrical body 22 fitted into an end of the hose 18, and further includes a packing 23 mounted in an annular groove in the joint portion 21, and a packing 23 provided on an upper portion of the annular groove. Ball 24 mounted on the mounted ball mounting portion, a slide ring 25 with a flange for pressing each ball 24 from the outside, and the slide ring 2
And a ball 24 for urging the ball 5 toward the end.
Ball splitting ring 27 provided on the upper side and O-ring 28 provided therearound.
29 is a stepped portion.

[0008] A ring-shaped packing 30 is fitted into the valve seat 6, and forms a seal with the plug 8 forming the valve element 7. The upper end of the plug portion 8 is stepped, and a spring seat portion 8a is formed there. Further, a step portion 9a whose diameter is slightly increased is provided at an intermediate portion of the rod body 9 connected to the stopper portion 8, and an annular groove 9b is provided at an outer periphery of a tip portion. Further, the cylindrical body 31 is provided between the step portion 9a and the annular groove 9b.
Is mounted, and a stop washer 32 is engaged with the annular groove 9b to prevent the tubular body 31 from falling off. Cylindrical body 3
Reference numeral 1 has a through hole at the center for inserting the rod 9, and a plurality of vertical grooves 33 for forming a water channel along the axial direction are provided on the side surface. The lower part of the cylindrical body 31 in the axial direction has a constricted shape with a widened distal end.

Next, the operation of the connecting device 1 will be described. The connecting device 1 shown in FIG.
The stopper 8 is in contact with the valve seat 6 as shown in the figure by the urging force of the spring 40 interposed between the spring seat 8a and the main body 2, and if the faucet 16 is opened. The water pressure and the spring pressing force strongly press the valve seat 6 to shut off the water flow. Note that the spring 40 is not indispensable, and it has been confirmed that even if the spring 40 is not present, water flow is shut off by water pressure. To connect the hose joint 20 to the hose joint connecting portion 4, first, the slide ring 25 of the hose joint 20 is pressed down by a finger against a spring 26, and each of the slide rings 25 is formed by a ridge formed on the inner peripheral surface of the slide ring 25. The pressing of the ball 24 toward the center is released. When the hose joint connection part 4 is pushed into the hose joint 20, the cylindrical body 3 attached to the rod 9 is
The lower end surface of the rod 1 comes into contact with the step portion 29, and the reaction
Is pushed into the hose joint connection 4. As a result, as shown in FIG. 3, the plug portion 8 separates from the valve seat 6 and enters a water-permeable state.
Water from the faucet 16 is supplied to the hose 18.

On the other hand, when the slide ring 25 is released from being depressed in this state, the slide ring 25 returns upward, causing each ball 24 to engage with the constricted portion 4a of the hose joint connecting portion 4, and the hose joint connecting portion 4 To prevent the hose joint 20 from coming off. When the hose joint 20 is connected to the hose joint connecting portion 4 as shown in FIG. 3 and water is supplied from the faucet 16 to the hose 18, that is, when the hose joint 20 comes off in the water-passing state, the rod 9 Is immediately released, and the plug 8 is pressed against the valve seat 6 by the water pressure and the spring 40 to instantaneously shut off the water discharge from the hose joint connection 4.

FIG. 4 is a sectional view showing another example of the connector 1 of the present invention. This example is characterized in that the faucet connection part 3 and the hose joint connection part 4 are linear, and the rest is configured similarly to the example of FIG.

FIG. 5 is a sectional view showing still another example of the connector 1 of the present invention. This embodiment is characterized by the configuration of the faucet connection part 3, and is of a push-in type instead of a screw connection type in which the faucet is connected to the faucet with a cap nut 14 as shown in FIG. 1 or FIG.
First, an annular pedestal 34 and a cylindrical intermediate wall 35 are provided concentrically outside the pedestal 34 in the main body 2. And faucet connection 3
Comprises a cylindrical body 36 having a step 37 with a reduced diameter above the inner peripheral surface, a plurality of setscrews 38 screwed into the step 37 from the periphery, and a ring-shaped packing 39. The cylindrical body 36 is screwed to the intermediate wall 35 with a packing 39 attached below the stepped portion 37. In order to connect the faucet to the connector 1, the outlet of the faucet is inserted with each set screw 38 returned to the outside, and the tip of the outlet is pressed against the packing 39, and each set screw 38 is screwed. Then, the body 2 may be screwed to press the end face of the packing 39 against the opening of the faucet.

[0013]

According to the faucet connector of the present invention constructed as described above, when the hose joint is connected to the hose joint connecting portion, the valve seat is automatically opened to be in a water-permeable state. When the hose joint is removed from the valve seat, the valve seat is closed to be in a cutoff state. Then, when the hose joint is detached from the hose joint connection part during the water flow, the valve seat is closed instantaneously and the water flow is shut off. Therefore, even when it is used for laundry in an apartment, there is no possibility of a water leak accident going downstairs, and it can be used safely.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state in which a connector of the present invention is connected to a faucet.

FIG. 2 is an exploded perspective view of a part of the connection tool of FIG. 1;

FIG. 3 is a cross-sectional view showing a state in which a hose outlet provided at a discharge port of a faucet and a hose end is connected to the connector of the present invention.

FIG. 4 is a cross-sectional view showing another example of the connector 1 of the present invention.

FIG. 5 is a sectional view showing still another example of the connection tool 1 of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connection tool 2 Main body 3 Water faucet connection part 4 Hose joint connection part 4a Constriction part 5 Flow path 6 Valve seat 7 Valve body 8 Plug part 8a Spring seating part 9 Rod 9a Step part 9b Annular groove 11 Water faucet side main body 12 Hose Side body 12a Flat surface 13 Packing 14 Cap nut 15 Packing 16 Water faucet 17 Discharge port 18 Hose 19 Reinforcement band 20 Hose joint 21 Joint part 22 Cylindrical body 23 Packing 24 Ball 25 Slide ring 26 Spring 27 Split ring 28 O-ring 29 Step Part 30 Packing 31 Cylindrical body 32 Stop washer 33 Vertical groove 34 Annular base 35 Intermediate wall 36 Cylindrical body 37 Stepped part 38 Set screw 39 Packing 40 Spring

Claims (2)

[Claims] A connector for connecting a discharge port portion of a water faucet to a hose joint provided at an end of a hose, the main body having a water faucet connection portion and a hose joint connection portion. A valve seat 6 and a valve body 7 for opening and closing the valve seat 6 in the flow path 5 of the main body 2. The valve body 7 has a plug part 8 and a rod body 9 coupled thereto. 9 is exposed from the open end of the hose joint connecting part 4, and when the hose joint 20 is connected to the hose joint connecting part 4,
The rod 9 is pushed into the main body 2 by a step 29 provided in the hose joint 20, whereby the plug 8 is moved to the valve seat 6.
A water faucet connector characterized in that, when the hose coupling 20 comes off from the hose coupling connecting part 4, the plug part 8 closes the valve seat 6 by water pressure. 2. The valve body 7 and the main body 2 according to claim 1,
A spring 40 for urging the rod 9 toward the opening end is provided between the hose joint 20 and the hose joint 20. A faucet connector characterized in that the seat (6) is closed.